FR872-07 IR Preheater 230VLarge size Preheater for PWB up to 330mm x 250mm 4 Independent switchable work grid partitions Infrared carbon heater Features New large size preheater for large size boards to make your job easier Larger heating area for large size boards Four Zone heating area The heating area has been split into four zones that can be independently activated, making it possible to heat all of the board or only necessary areas when reworking large boards or to turn